CONTENTS (PAET II) xi 



CHAPTER XXV 



Flowering Plants PAGE 



The Proper Study of Flowering Plants-Photographs of Flowers The Pre- 

 servation of Plants t-a 



56 



OBSERVATIONAL LESSON XXIV 



PART I An Opening Flower ... 62 

 PART II A Silkworm . 

 PART III A Bee 



Do 



CHAPTER XXVI 



Notes on Observatory Hives ... 65 



OBSERVATIONAL LESSON XXV 



PART I A Growing Tuber (Continued, fifth investigation] . . 72 



PART II An Opening Flower (Continued, third investigation) 72 



PART III A Silkworm (Continued, second investigation) 73 



PART IV A Bee (Continued, second investigation) . . 73 



CHAPTER XXVII 



The making of a Formicarium ... 74 



The Inhabitants of Ants' Nests ... 76 



OBSERVATIONAL LESSON XXVI 



PART I A Bee (Continued, third investigation) 78 



PART II The Sun (Continued) .... 73 



PART III An Opening Flower (Continued, fourth investigation) . 79 



CHAPTER XXVIII 



The rearing of Caterpillars ..... 80 



Photographs of Insects .... 87 



Collections of Insects Q ^ 



. o / 



OBSERVATIONAL LESSON XXVII 



PART I A Growing Potato .... 88 



PART II A Snail .... 88 



